Home / 18,516,650,583.88-25,553,680,231.02-10,378,604,408.82

Finding the Fourth Proportional to 18,516,650,583.88, 25,553,680,231.02 and 10,378,604,408.82

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Solution

The fourth proportional to 18,516,650,583.88, 25,553,680,231.02 and 10,378,604,408.82 is: 14,322,867,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516,650,583.88 : 25,553,680,231.02 = 10,378,604,408.82 : x
  2. Step 2: Convert to fraction form
    18,516,650,583.88/25,553,680,231.02 = 10,378,604,408.82/x
  3. Step 3: Cross multiply
    18,516,650,583.88x = 25,553,680,231.02 × 10,378,604,408.82
  4. Step 4: Simplify right side
    18,516,650,583.88x = 265,211,538,307,240,656,896
  5. Step 5: Solve for x
    x = 265,211,538,307,240,656,896/18,516,650,583.88
  6. Step 6: Final answer
    x = 14,322,867,794.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.